Technical manual for DIVAL 507-512 pressure regulator covering installation, commissioning, maintenance, and technical specifications.
This service manual provides detailed instructions for installing, commissioning, maintaining, and troubleshooting the DIVAL 507-512 pressure regulator. It includes safety precautions, handling and storage guidelines, installation requirements, commissioning procedures, and technical specifications such as pressure ratings and temperature ranges. The manual also covers the regulator’s operating principle and spring calibration options for different pressure ranges.
The regulator is designed for use with pre-filtered gaseous fluids and is suitable for low, medium, and high-pressure applications. It features a normally open design and includes safety features like a built-in pressure relief valve for overpressure protection. The manual specifies compliance with PED Directive 97/23/EC and outlines safety requirements for gas installations involving flammable gases. This manual is written in Italian.
| Design Pressure (PS) | up to 20 bar |
|---|---|
| Operating Temperature | -20 °C to +60 °C |
| Ambient Temperature | -20 °C to +60 °C |
| Inlet Pressure Range | 0.2 to 20 bar |
| Adjustable Output Pressure Range | 15–110 mbar (BP), 80–300 mbar (MP), 300–3000 mbar (TR) |
| Minimum Differential Pressure | 0.1 bar |
| Accuracy Class (AC) | up to 5 |
| Shut-off Pressure Class (SG) | up to 10 |
The maximum design pressure (PS) is up to 20 bar.
The operating temperature range is from -20 °C to +60 °C.
It includes a built-in pressure relief valve for overpressure protection and is classified as a safety accessory under PED Directive 97/23/EC.
The available ranges are 15–110 mbar (BP), 80–300 mbar (MP), and 300–3000 mbar (TR), depending on the test head type.